OPA2670IRGVR Datasheet, PDF (11/25 Pages) Texas Instruments – Single Port, High Output Current VDSL2 Line Driver with Power Control

OPA2670
www.ti.com
SBOS434 – AUGUST 2010
TYPICAL CHARACTERISTICS: Low Bias
At T_A = +25°C, I_Q = 14mA, Low Bias, and R_{L_Differential} = 100Ω, unless otherwise noted.
SMALL-SIGNAL FREQUENCY RESPONSE
SMALL-SIGNAL FREQUENCY RESPONSE
3
6
0
3
−3
0
−6
−3
−9
−6
−12
−9
−15 Low Bias
G = +10V/V
−18 RL = 100Ω
V_O = 2V_PP
−21
1
10
100
500
−12 Low Bias
G = +5V/V
−15 RL = 100Ω
V_O = 2V_PP
−18
1
10
100
800
Frequency (MHz)
Frequency (MHz)
Figure 32.
Figure 33.
LARGE-SIGNAL FREQUENCY RESPONSE
3
0
−3
−6
−9
−12
−15 Low Bias
G = +5V/V
−18 RL = 100Ω
V_O = 10V_PP
−21
1
10
100
500
Frequency (MHz)
Figure 34.
HARMONIC DISTORTION
vs FREQUENCY
−35
Low Bias
−45 ^{G = +5V/V}
R_L = 100Ω
−55 ^{VO = 2VPP}
−65
−75
−85
−95
−105
0.5
1
Second-Order Harmonic Distortion
Third-Order Harmonic Distortion
10
50
Frequency (MHz)
Figure 35.
−35
−45
−55
−65
−75
−85
−95
−105
10
HARMONIC DISTORTION
vs LOAD
Low Bias
f = 5MHz
G = +5V/V
V_O = 2V_PP
Second-Order Harmonic Distortion
Third-Order Harmonic Distortion
100
500
Load (Ω)
Figure 36.
HARMONIC DISTORTION
vs OUTPUT VOLTAGE
−55
Low Bias
f = 5MHz
−60 _{G = +5V/V}
R_L = 100Ω
−65
−70
−75
−80
−85
1
Second-Order Harmonic Distortion
Third-Order Harmonic Distortion
10
Output Voltage (V_PP)
Figure 37.
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